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d_moan


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已解决


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

7 years 前

已解决


03 - Matrix Variables 4
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3d.png>> A 3x4 NaN (Not a Number) matrix (Hint: use ...

7 years 前

已解决


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

7 years 前

已解决


The Dark Side of the Die
It is well-known that opposite sides of a classic hexahedral die add to 7. Given a vector of dice rolls, calculate the sum of th...

7 years 前

已解决


Equal to their cube
Tell me three real numbers that are equal to their cubes?

7 years 前

已解决


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

7 years 前

已解决


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

7 years 前

已解决


Is my wife right?
Regardless of input, output the string 'yes'.

7 years 前

已解决


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

7 years 前

已解决


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

7 years 前

已解决


Add two numbers
Given a and b, return the sum a+b in c.

7 years 前

已解决


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

7 years 前

已解决


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

7 years 前

已解决


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

7 years 前

已解决


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

7 years 前

提问


addtodate creates too many milliseconds
I wanted to create a vector of all milliseconds in a day, so I wrote 0:addtodate(0,1,'millisecond'):(1-addtodate(0,1,'milli...

8 years 前 | 1 个回答 | 0

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提问


How come 10^-N does not equal 1e-N for some N ?
I've noticed by chance that isequal(10^-5,1e-5) == 0 and (10^-5) - (1e-5) == -1.694065894508601e-21 I checked ...

8 years 前 | 1 个回答 | 0

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